Two-dimensional interferometric and synthetic aperture imaging with a hybrid terahertz/millimeter wave system

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Abstract

We have developed an interferometric synthetic aperture incoherent imaging system at 94GHz, in which a high-power electronic millimeter wave source (Gunn Oscillator) is integrated with a continuous-wave terahertz (THz) photomixing detection system to achieve a high signal-to-noise ratio. Imaging of a point source located 10m away from the detector array is presented. Two-dimensional THz reflective images of an extended object with different shapes are reconstructed with only four detectors by use of rotational synthesis.

Original languageEnglish (US)
Pages (from-to)E13-E19
JournalApplied Optics
Volume49
Issue number19
DOIs
StatePublished - Jul 1 2010

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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